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MicroTCA System 4 slot
User’s Manual
Product No.
21850-045
21850-046
21850-081
Doc-No: 63972-272_R1.0
May 06, 2009
Rev.
Date updated
Change
R1.0
May 06, 2009
Initial Release
Impressum:
Schroff GmbH
D-75334 Straubenhardt, Germany
The details in this manual have been carefully compiled and
checked - supported by certified Quality Management System
to EN ISO 9001/2000
The company cannot accept any liability for errors or misprints.
The company reserves the right to amendments of technical
specifications due to further development and improvement of
products.
Copyright
© 2009
All rights and technical modifications reserved.
Schroff MicroTCA System
21850-045/-046/-081
Table of Contents
1
2
Safety ................................................................................................................. 3
1.1
Intended Application ............................................................................................ 3
1.2
Safety Symbols used in this document................................................................ 4
1.3
General Safety Precautions................................................................................. 4
1.4
References and Architecture Specifications ........................................................ 4
Hardware Platform............................................................................................ 5
2.1
3
Front and Rear Views .......................................................................................... 6
Backplane 23005-435........................................................................................ 7
3.1
Backplane Front View.......................................................................................... 7
3.2
Backplane Topology ............................................................................................ 8
3.3
Fabric Interface.................................................................................................... 9
3.4
3.3.1
Common Options ................................................................................... 9
3.3.2
Fat Pipe ................................................................................................. 9
Synchronization Clock Interface .......................................................................... 9
3.5
Intelligent Platform Management Bus (IPMB)...................................................... 9
3.6
3.5.1
IPMB-L ................................................................................................... 9
Carrier FRU SEEPROM ...................................................................................... 9
3.7
Carrier Number .................................................................................................. 10
3.8
3.7.1
Electronic DIP Switch (Default setting) ................................................ 10
3.7.2
Mechanical DIP Switch ........................................................................ 11
Power Management........................................................................................... 12
3.8.1
Power Management Board (PMB) ....................................................... 13
4
Power Supply .................................................................................................. 14
5
Thermals.......................................................................................................... 15
6
Technical Data ................................................................................................ 16
6.1
Mechanical Dimensions..................................................................................... 17
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Safety
21850-045/-046/-081
1 Safety
The intended audience of this User’s Manual is system integrators and hardware/
software engineers.
1.1 Intended Application
The MicroTCA System, described in this manual, is intended as a platform for a
microcomputer system based on the MicroTCA Standard.
The MicroTCA System is designed for protection class IP 20 and can be used
only in the resp. environments.
The MicroTCA Systems are not finished products, so there is no valid approval
for these units. In order to enable stand-alone functionality, additional elements
are required. An operational system is achieved only by way of appropriate AMC
Modules.
The completion and final testing of the units have been carried out, or at least
supervised, by qualified technicians. These instructions are directed exclusively
to these qualified technicians i.e.engineers, trained and qualified electricians
etc.
Make sure that:
• the assembled unit complies with the safety regulations currently applicable
in the country it is going to be used.
• the overall unit complies with all other regulations and specifications at the
place and country of use, e.g. interference limits, approval by the telecommunications authorities.
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Safety
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1.2 Safety Symbols used in this document
Hazardous voltage!
This is the electrical hazard symbol. It indicates that there are dangerous
voltages inside the System.
Caution!
This is the user caution symbol. It indicates a condition where damage of the
equipment or injury of the service personnel could occur. To reduce the risk of
damage or injury, follow all steps or procedures as instructed.
Danger of electrostatic discharge!
The System contains static sensitive devices. To prevent static damage you
must wear an ESD wrist strap.
1.3 General Safety Precautions
Warning!
Voltages over 60 VDC can be present in this equipment. This equipment is
intended to be accessed, to be installed and maintained by qualified and
trained service personnel only.
•
Service personnel must know the necessary electrical safety, wiring and connection
practices for installing this equipment.
•
Install this equipment only in compliance with local and national electrical codes.
•
For additional information about this equipment, see the PICMG MicroTCA
Specification (www.picmg.com).
1.4 References and Architecture Specifications
•
PICMG® MicroTCA® Base Specification
(www.picmg.com)
•
PICMG® AMC® Base Specification
(www.picmg.com)
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Hardware Platform
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2 Hardware Platform
•
Compliant to PICMG MicroTCA Base specification
•
RatiopacPro case (21850-045/-081)
•
Subrack with wall mount provisions (21850-046)
•
MicroTCA Backplane with radial IPMI from MCH Slot1# to all AMC slots, supporting:
- 1 MCH Single Full-size slot
- 1 AMC Single Full-size slot for a CPU Board
- 2 AMC Single Full-size slots for HDD or PCIe Boards
- 1 AMC Single Full-size slot for a HDD or CPU or PCIe Board
- Onboard power management for all AMC slots
•
Power management board on the backplane for PM emulation (21850-046/-081)
•
Active cooling through 12 V fans.
21850-045/-081: One fan under the card cage (170 m³/h (100 cfm)) and two fans
(56m³/h (33 cfm) each) at the rear panel
21850-046: One fan under the card cage (170 m³/h (100 cfm)) and one fan
(17 m³/h (10 cfm)) for the power supply
•
Integrated 250 W AC Power Supply with wide range input
•
AC mains/line module with IEC 320-C14 connector, integrated mains/line fuses and
line filter at the rear panel
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2.1 Front and Rear Views
Figure 1: 21850-046 Front and Rear View
12909827
Figure 2: 21850-046 Bottom View
12807834
Figure 3: 21850-045/-081 Front and Rear View
12807831
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Backplane 23005-435
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3 Backplane 23005-435
The 5 slot MicroTCA Backplane provides:
•
1 MCH Single Full-size slot
•
1 AMC Single Full-size slot for a CPU Board
•
2 AMC Single Full-size slots for HDD or PCIe Boards
•
1 AMC Single Full-size slot for a HDD or CPU or PCIe Board
•
Onboard power management for all AMC slots
3.1 Backplane Front View
Figure 4: Backplane Front View
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3.2 Backplane Topology
Figure 5: Backplane Topology
12909828
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3.3 Fabric Interface
3.3.1 Common Options
MCH1 Fabric Port A is routed to all AMC slots Port 0 in a radial configuration.
MCH1 Fabric “Port A to AMC5“ is routed to AMC1 Port 1.
MCH1 Fabric “Port A to AMC6“ is routed to AMC3 Port 1.
AMC Ports 2 and 3 are direct slot to slot connections to support HDD (SATA/SAS)
configurations.
3.3.2 Fat Pipe
MCH1 Ports [D:G] are routed to all AMC slots Port [4:7] in a radial configuration.
3.4 Synchronization Clock Interface
CLK1 is routed in a radial topology from Slot1# (MCH) to all AMC slots TCLKA.
TCLKB is routed in a radial topology from all AMC slots to Slot1# (MCH).
CLK3 is routed in a radial topology from Slot1# (MCH) to all AMC slots FCLKA.
CLK3 can be used as a spread spectrum clock for PCIe.
3.5 Intelligent Platform Management Bus (IPMB)
MicroTCA uses an Intelligent Platform Management Bus (IPMB) for management
communications.
3.5.1 IPMB-L
The IPMB-L is routed in a radial topology from Slot1# (Switch) to AMC2#, AMC3#,
AMC4# and AMC5#.
3.6 Carrier FRU SEEPROM
A SEEPROM is located at the Backplane. The SEEPROM is connected to Slot1# (MCH)
through I²C-bus.
The I²C-addresses of the SEEPROMs is 0xa4.
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3.7 Carrier Number
Each MicroTCA Carrier shall have a unique Carrier Number, ranging from 1 to 16 in its
MicroTCA Shelf. To provide the Carrier Number, a mechanical and electronic
(PCA9558) DIP switch and a PCF8574A I²C I/O expander is located on the Backplane.
Figure 6: Carrier Number Switches
Mech. DIP-Switch
GND
Elec. DIP-Switch
I/O Expander
SW1
IN 0
OUT 0
P0
SW2
IN 1
OUT 1
P1
SW3
IN 2
OUT 2
P2
SW4
IN 3
OUT 3
P3
SW5
A0
SW6
MCH’s
private
I2C bus
EEPROM
3.3 V
3.3 V
SCL
SDA
SEL
GND
PCA9558
PCF8574A
12807826
The customer can use either the mechanical or the electronic DIP switch to set the
carrier number.
3.7.1 Electronic DIP Switch (Default setting)
The electronic DIP switch is connected to the lower four bits of the I/O lines of the
PCF8574A I²C I/O expander. The I/O expander connects to the MCMC’s private I²C bus.
The MCMC reads the DIP switch setting from the I/O expander, adds one, and uses the
result as its Carrier Number.
In the default factory setting the electronical DIP switch is active at the address
0x9E (SW5 and SW6 at the mechanical DIP switch = OFF)
Default carrier address = 1 (Data content EEPROM = 0000)
Table 1: I²C Addresses
s
PCA 9558 DIP switch
0x9e (default) or 0x9c
PCF8574A I/O expander
0x3e
To change the carrier number with the electronic DIP switch you have to send the
following I2C command to the electronic DIP switch’s EEPROM:
9
ACKNOWLEDGE
C (A0 = 0)
E (A0 = 1)
ACKNOWLEDGE
ACKNOWLEDGE
CARRIER NUMBER
A
ADDRESS PCA9558
ACKNOWLEDGE
A
COMMAND BYTE
1
EEPROM ADDRESS
DATA FOR EEPROM
Further information in the PCA9558 Data sheet.
Please note: Carrier address = DIP switch setting +1
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3.7.2 Mechanical DIP Switch
To access the mechanical DIP switch you have to open the case/subrack.
The mechanical DIP switch is a 6-position switch.
•
Switch 1 to 4 are used to set the carrier number (Switch 1 = Bit 0).
•
Switch 5 is used to change the I2C-address of the electronical DIP switch.
- Switch 5 ON: address = 9C
- Switch 5 OFF: address = 9E (default)
•
With switch 6 you can select between mechanical or electronic DIP switch to
set the carrier number.
- Switch 6 ON: Mechanical DIP switch
- Switch 6 OFF: Electronic DIP switch
When setting the carrier number with the mechanical DIP switch please note:
Switch ON = logic 0
Switch OFF = logic 1
The mechanical DIP switch is connected to the input of the electronic DIP switch.
When the SEL signal is a logic 0, the electronic DIP switch will select the data from the
internal EEPROM to drive the output pins, when the SEL signal is a logic 1, the
electronic DIP switch will select the signal from the mechanical DIP switch to drive on
the output pins.
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3.8 Power Management
The integrated Power Management circuitry on the Backplane provides 12 V Payload
Power distribution branches to the MCH Slot and the AMC Slots. It also generates the
3.3 V management power and distributes it to all slots.
Without the Power Management Board (PMB) the MCH do not manage and
control the power-up sequence of the payload AMCs!
The PMB is fitted only in the systems 21850-046/-081, but can be upgraded to
the system 21580-045
Figure 7: Power Distribution (Without Power Management Board)
12 V Payload Power
3.3 V Managem. Power
12 V to 3.3 V
DC-DC Converter
MCH
MCH Present (Ps1#)
+12 V from integrated Power Supply
12 V Payload Power
3.3 V Managem. Power
AMC1
AMC1 Present (PS1#)
12 V Payload Power
3.3 V Managem. Power
AMC2
AMC2 Present (PS1#)
12 V Payload Power
3.3 V Managem. Power
AMC3
AMC3 Present (PS1#)
12 V Payload Power
3.3 V Managem. Power
AMC4
AMC4 Present (PS1#)
Backplane
12807825
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3.8.1 Power Management Board (PMB)
The Power Management Board (PMB) is a small adapter board which is attached to the
backside of the backplane by two PCB-to-PCB connectors (See Figure 8). The PMB
provides the management functionality according to PICMG specification
MTCA.0, R1.0, whereas the active power switching circuitry resides on the backplane.
It enables a central management instance like an MCH to individually control payload
power supply the AMC slots and the MCH.
It provides the following functionality:
•
Detection of insertion or removal of AMC modules
•
Managed payload power switching
•
Payload power fault detection
•
3.3 V Management power fault detection
The management part of the PMB acts as a MicroTCA conformant power management
module. The signals PS1#, PWR_ON, PGOOD, EN_PP are reflected in the respective
bits of the Power Channel Status message [MTCA.0 R1.0, table 3-29] or Power Channel
Notification Event message [MTCA.0 R1.0, table 3-30].
The PMB manages the payload power of the connected AMC modules and the MCH.
After power up, the PBM starts in autonomous mode and applies payload power to the
MCH. As soon as the MCH has taken over control of the PMB by applying the heartbeat
signal, the PMB changes to normal mode and reacts to power commands from the
MCH.
IPMI Command Support
The PMB supports the standard MMC command set according to [AMC.0 V2.0]
specification as far as applicable for power modules and the EMMC extensions for
power modules.
IPMI Sensor Data Records
The PMB provides the following sensor data records:
•
Device Locator Record (record type 0x12)
•
Hot Swap sensor (compact sensor type 0x02)
Note: The hot swap sensor is implemented for compliance reasons only. It has no real
function as the PMB is not hot swappable. The respective sensor always return “closed”.
IPMI FRU Information
The PMB FRU record contains the following information:
•
Product Information
•
Power Module Capability Record [MTCA.0 R1.0, table 3-27].
Event messages generated by the PMB
The PMB generates Power Channel notification event messages (MTCA.0 R1.0, table
3-30) on any change of the status of the power channels, i.e:
•
PS1# signal assertion /de-assertion
•
PWR_ON signal assertion/de-assertion, Payload on/off
•
PGood signal change.
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Power Supply
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4 Power Supply
In order to be independent from an external power source, the MicroTCA system
provides an AC Power Supply with wide range 90 VAC - 264 VAC input and 12 VDC
output.
The power input is provided by an AC mains/line module with IEC 320-C14 connector,
integrated mains/line fuses line filter and mains/line switch.
Figure 8: Power Supply and PMB (shown at 21850-046)
12909826
1
Power Supply
4
Power Management Board (PMB)
2
AC mains/line module
5
Mechanical switch carrier number
3
Fan for cooling the Power Supply
Table 2: Data AC Power Supply
e
Input voltage nominal
90 - 264 Vac
Mains Frequency
50 / 60 Hz
Output (max.)
20.8 A / 250 W
Output voltage
12 Vdc
Overvoltage protection
15-50% above nominal output
Overcurrent protection
Current limited
Hold-up time
16 ms @ 250 W load, 120 Vac input
Operating Temperature
0° C - +50° C
50° C - +70° C: Derate linearly to 50% load
Safety approvals
EN60950-1, 60601-1
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Thermals
21850-045/-046/-081
5 Thermals
The boards and the power supply are cooled by forced air convection through 12 VDC
axial fans. The fans are not speed controlled.
21850-045/-081: At this system one fan (170 m³/h (100 cfm) is located under the card
cage and two fans (56 m³/h (33 cfm) each) at the rear panel. The air enters the subrack
through the perforated bottom panel. As the air passes across the hot components on
the MicroTCA boards, heat is carried away by forced convection. The air exits the
subrack at the top, is drawn into the upper plenum, turns 90°, and is exhausted out the
rear of the subrack by the 2 rear fans.
21850-046: At this system one fan (170 m³/h (100 cfm) is located under the card cage
and one fan (17 m³/h (10 cfm) in the rear section under the power supply. The air enters
the subrack at the bottom. As the air passes across the hot components on the
MicroTCA boards, heat is carried away by forced convection. The air exits the subrack
at the top.
Figure 9: Airflow (21850-045/-081)
12807828
Figure 10: Airflow (21850-046)
12807836
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Technical Data
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6 Technical Data
Table 3: Technical Data
Physical Dimensions
21850-045/-081
21850-046
Height (w/o feet)
132.45 mm (3 U)
150 mm
Width
175.85 mm
156.76 mm
Depth
360.48 mm (with handles) 250 mm
Weight
Weight completely assembled
approx. 5 Kg
approx. 5 Kg
Input voltage
100 VAC to 240 VAC
100 VAC to 240 VAC
Overcurrent Protection
2 Fuses 3.15 A slow blow 2 Fuses 3.15 A slow blow
Power
Cooling
2 axial fans 56 m³/h
(33 cfm) each,
1 axial fan 170 m³/h
(100cfm)
1 axial fan 17 m³/h
(10 cfm),
1 axial fan 170 m³/h
(100cfm)
Ambient temperature normal
operating
+5°C…+45°C
(41°F to 113°F)
+5°C…+45°C
(41°F to 113°F)
Ambient temperature transient
operating
+5°C…+55°C
(41°F to 131°F)
+5°C…+55°C
(41°F to 131°F)
Humidity
+5%...+85%,
no condensation
+5%...+85%,
no condensation
Conducted Emissions
EN 55022 Class B
EN 55022 Class B
Radiated Emissions
EN 55022 Class B
EN 55022 Class B
Environmental
EMI
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Technical Data
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6.1 Mechanical Dimensions
Figure 11: Mechanical Dimensions 21850-045/-081
12807829
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Technical Data
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Figure 12: Mechanical Dimensions 21850-046
12807836
All dimensions are in millimeters (mm).
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SCHROFF GMBH
Langenalberstr. 96-100
D-75334 Straubenhardt
www.schroff.biz
www.a-tca.com
Tel.: + 49 (0) 7082 794-0
Fax: +49 (0) 7082 794-200